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Unformatted text preview: 10. Clean, rinse and fill buret with .01M potassium permanganate solution. Record the molarity shown on the bottle. 11. Heat one 100-mL portion of the filtrate to 55degrees Celcius-60 and titrate the hot solution with the KmnO4 solutions. 12. Repeat the titration with the second 100 Ml portion of CdC2O4 solution and record data. 13. For part C; Clean, rinse and fill buret with approx 5M aqueous ammonia, record molarity shown on bottle. 14. Titrate mixture in beaker 2. 15. In order to determine this endpoint easily, put a dark cross on a piece of white paper that is placed under the beaker of mixture you are titrating. When all solid is gone you will be able to see the cross clearly. Record titration data. 16. Repeat titration of the mixture in beaker 3, Record....
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- Spring '08